The Browns held _____ they called” family day"once each year.
| A．that | B．what |
| C．which | D．when |
The person we talked about ____ our school last week．
| A．visiting | B．will visit | C．visited | D．has visited |
The days we have been looking forward to ____ soon．
| A．coming | B．will come | C．came | D．have come |
. The person we referred to____ us a report tomorrow．
| A．giving | B．will give | C．gave | D．give |
The person we spoke to ____ no answer at first．
| A．making | B．makes | C．make | D．made |
You can never imagine what great difficulty I have _____ your house.
| A．found | B．finding | C．to find | D．for finding |